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1020221142030 = 232553213882839
BaseRepresentation
bin11101101100010011110…
…10110011010000001110
310121112100222001212120100
432312021322303100032
5113203403103021110
62100403315431530
7133465013423616
oct16661172632016
93545328055510
101020221142030
11363745268222
12145885bb55a6
137528b72093c
1437543c55a46
151b811b15bc0
hexed89eb340e

1020221142030 has 48 divisors (see below), whose sum is σ = 2702623566240. Its totient is φ = 266925781824.

The previous prime is 1020221142029. The next prime is 1020221142037. The reversal of 1020221142030 is 302411220201.

It is a happy number.

1020221142030 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 2 + 211 + 420 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1020221141994 and 1020221142012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020221142037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106936650 + ... + 106946189.

It is an arithmetic number, because the mean of its divisors is an integer number (56304657630).

Almost surely, 21020221142030 is an apocalyptic number.

1020221142030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020221142030 is an abundant number, since it is smaller than the sum of its proper divisors (1682402424210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020221142030 is a wasteful number, since it uses less digits than its factorization.

1020221142030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213882905 (or 213882902 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1020221142030 its reverse (302411220201), we get a palindrome (1322632362231).

The spelling of 1020221142030 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred forty-two thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 53 90 106 159 265 318 477 530 795 954 1590 2385 4770 213882839 427765678 641648517 1069414195 1283297034 1924945551 2138828390 3208242585 3849891102 6416485170 9624727755 11335790467 19249455510 22671580934 34007371401 56678952335 68014742802 102022114203 113357904670 170036857005 204044228406 340073714010 510110571015 1020221142030